C9 Marine Engines and C9 Marine Generator Sets Caterpillar

Removal Procedure

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Illustration 1	g01146856

1. Disconnect harness assembly (3) from speed/timing sensor (2). Disconnect harness assembly (6) from speed/timing sensor (5).

2. Remove bolt (1) and bracket (4).

3. Remove speed/timing sensor (2) from the front housing. Remove the O-ring seal from the speed/timing sensor. Remove speed/timing sensor (5) from the front housing. Remove the O-ring seal from the speed/timing sensor.

Installation Procedure

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Illustration 2	g01146856

1. Install the O-ring seal on speed/timing sensor (2). Install the O-ring seal on speed/timing sensor (5).

2. Lubricate the bores for the speed/timing sensors with clean engine oil.

3. Position speed/timing sensor (2) and speed/timing sensor (5) on the front housing. Install bracket (4) and bolt (1).

4. Connect harness assembly (3) to speed/timing sensor (2). Connect harness assembly (6) to speed/timing sensor (5).

5. Calibrate the speed/timing sensors. Refer to Troubleshooting, "Engine Speed/Timing Sensor - Calibrate " for the calibration procedure.